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4767 Sutoku (1987 GC)
Classification: Main-belt Asteroid          SPK-ID: 2004767
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 77 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1094356583943406 2.2878e-08  
a 2.690844294496002 1.0492e-08 au
q 2.396369977491178 6.2898e-08 au
i 13.31076894054682 1.1772e-06 deg
node 193.9133554936659 1.9022e-06 deg
peri 26.32461089443754 1.0645e-05 deg
M 206.336656056625 1.323e-05 deg
tp 2459888.675263876066
(2022-Nov-05.17526388)
6.0774e-05 TDB
period 1612.245891815794
4.41
9.43e-06
2.582e-08
d
yr
n .2232910015943967 1.306e-09 deg/d
Q 2.985318611500827 1.1641e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2758  
   data-arc span      24690 days (67.60 yr)  
   first obs. used      1953-08-16  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41444  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:50:27  

Additional Information
 Earth MOID = 1.39612 au 
 Jupiter MOID = 1.98767 au 
 T_jup = 3.325 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.83   n/a MPCxxxxx  
diameter diameter 7.923 km 0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 92.447 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.213   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

4767 Sutoku           Discovered 1987 Apr. 4 by T. Niijima and T. Urata at Ojima.
Sutoku (1119-1164), the 75th emperor of Japan, succeeded to the throne in 1123. After his abdication, he was defeated in the war of Hogen against his brother, emperor Goshirakawa, and exiled for life.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19991123/MPCPages.arcLast Updated: 2010-06-11

[ show close-approach data ]
Alternate Designations
 1987 GC = 1983 LH 
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